Landscape Weighted Prioritization for the Georgia Basin and Puget Trough: Willamette Valley - Puget Trough - Georgia Basin Ecoregional Assessment

Feb 29, 2012
Uploaded by Pierre Iachetti
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Description:
Priority Conservation Areas for the Willamette Valley - Puget Trough - Georgia Basin Ecoregion. October, 2003.

The Willamette Valley-Puget Trough-Georgia Basin ecoregion is a long ribbon of broad valley lowlands and inland sea flanked by the rugged Cascade and coastal mountain ranges of British Columbia, Washington, and Oregon. It encompasses some 5,550,000 ha of Pacific inlet, coastal lowlands, islands, and intermontane lowland, and extends from the Sunshine Coast and eastern lowland of Vancouver Island along Georgia Strait, south through Puget Sound and the extensive plains and river floodplains in the Willamette Valley.

Five expert technical teams collaborated on a series of analyses based on methods developed byThe Nature Conservancy and other scientists. Three teams covered the terrestrial environment’splants, animals and ecological systems. A fourth assessed the nearshore marine environmentwithin the Puget Sound and Georgia Strait. A fifth team studied the ecoregion’s freshwater systems.

Salmon were not addressed in this assessment.

The final portfolio includes 372 priority conservation areas with a combined area of 1,264,000 hectares (ha) (3,122,080 acres [ac]), representing 23 percent of the ecoregion’s total area. Thirty-nine shoreline segments totaling 89 kilometers (km) (55 miles [mi]) are also included.The portfolio includes the last places where many of the ecoregion’s most imperiled speciesoccur and the last, large expanses of relatively intact natural habitat. The sites included here are those regarded as having the highest likelihood of successful conservation according to the suitability factors utilized in the assessment.
Data Provided By:
The Nature Conservancy, the Nature Conservancy of Canada, the Washington Department of Fish and Wildlife, the Washington State Natural Heritage Program, the Oregon State Natural Heritage Information Center, and the British Columbia Conservation Data Centre., The Nature Conservancy (2003) and Environment Canada (1986).
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not specified
Citation:
Willamette Valley - Puget Trough - Georgia Basin Ecoregional Assessment

Floberg, J., M. Goering, G. Wilhere, C. MacDonald, C. Chappell, C. Rumsey, Z. Ferdana, A. Holt, P. Skidmore, T. Horsman,E. Alverson, C. Tanner, M. Bryer, P. Iachetti, A. Harcombe, B. McDonald, T. Cook, M. Summers, D. Rolph. 2004.Willamette Valley-Puget Trough-Georgia Basin Ecoregional Assessment, Volume One: Report. Prepared by The NatureConservancy with support from the Nature Conservancy of Canada, Washington Department of Fish and Wildlife,Washington Department of Natural Resources (Natural Heritage and Nearshore Habitat programs), Oregon State NaturalHeritage Information Center and the British Columbia Conservation Data Centre.
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Data layers have been developed for use in The Nature Conservancy's ecoregional conservation and natural-area protection efforts. The Nature Conservancy assumes no responsibility for errors in the data and assumes no responsibility for the consequences of its inappropriate use or interpretation. Modifications to these data layers may occur in the future. Accuracy and precision of these data layers are not guaranteed.
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Tags:
conservation, prioritization, georgia basin, portfolio, puget trough
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About the Uploader

Pierre Iachetti
Research Scientist with University of Victoria, Energy Systems & Sustainable Cities Group, Civil Engineering Department

Pierre Iachetti has spent his 20-year professional career working with communities, academia, governments, and not-for-profits on conserving biodiversity, adapting to and mitigating climate change, and using economic and markets tools to drive social change. Pierre is focused on social innovation...